/* attack-heatmap.css — /attack-heatmap */

.ahm-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 56px 32px 96px;
}
@media (max-width: 720px) {
    .ahm-page { padding: 32px 18px 64px; }
}

.ahm-head { margin-bottom: 32px; }
.ahm-head h1 {
    font: 600 clamp(28px, 3.6vw, 40px)/1.05 var(--sans);
    color: var(--ink);
    letter-spacing: -0.025em;
    margin: 6px 0 14px;
}
.ahm-sub {
    color: var(--ink-2);
    font-size: 15.5px;
    line-height: 1.55;
    margin: 0 0 20px;
    max-width: 780px;
}

.ahm-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.ahm-stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    font: 500 12.5px/1 var(--mono);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--ink-2);
    background: var(--bg-1);
    border: 1px solid var(--line-2);
}
.ahm-stat-pill strong {
    color: var(--ink);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.ahm-loading,
.ahm-error {
    padding: 64px 32px;
    text-align: center;
    color: var(--ink-3);
}

/* Sector filter strip */
.ahm-filters {
    margin: 24px 0 4px;
    padding: 16px 18px;
    background: var(--bg-1);
    border: 1px solid var(--line-2);
    border-radius: 10px;
}
.ahm-filter-label {
    font: 500 11px/1 var(--mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 10px;
}
.ahm-chip-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.ahm-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border-radius: 999px;
    font: 500 12.5px/1.3 var(--sans);
    color: var(--ink-2);
    background: var(--surface);
    border: 1px solid var(--line);
    text-decoration: none;
    cursor: pointer;
    transition: border-color 120ms, color 120ms, background 120ms;
}
.ahm-chip:hover {
    color: var(--ink);
    border-color: var(--line-2);
}
.ahm-chip.is-active {
    color: var(--ink);
    background: var(--accent-soft, rgba(106, 149, 255, 0.12));
    border-color: var(--accent-line, var(--line-2));
}
.ahm-chip .ahm-chip-count {
    font: 500 10.5px/1 var(--mono);
    color: var(--ink-3);
    letter-spacing: 0.04em;
}
.ahm-chip.is-active .ahm-chip-count {
    color: var(--ink-2);
}

/* The heat map proper: one column per tactic, technique rows inside.
   On wide screens we render as a horizontal-scrolling row of tactic
   cards so the canonical ATT&CK matrix reads left-to-right. On narrow
   screens we stack tactics vertically. */
.ahm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
    margin-top: 12px;
}

.ahm-tactic {
    background: var(--bg-1);
    border: 1px solid var(--line-2);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ahm-tactic-head {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
}
.ahm-tactic-head h3 {
    margin: 0;
    font: 600 14.5px/1.2 var(--sans);
    color: var(--ink);
    letter-spacing: -0.01em;
}
.ahm-tactic-head .ahm-tactic-id {
    font: 500 10.5px/1 var(--mono);
    color: var(--ink-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: 4px;
    display: block;
}
.ahm-tactic-head .ahm-tactic-count {
    font: 500 11.5px/1 var(--mono);
    color: var(--ink-3);
    margin-top: 4px;
}

.ahm-tech-list { padding: 4px 0; }

/* Technique row — heat-mapped background based on actor count. */
.ahm-tech {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    cursor: pointer;
    transition: background 120ms;
    position: relative;
}
.ahm-tech:last-child { border-bottom: 0; }
.ahm-tech:hover { background: var(--surface); }

.ahm-tech.heat-1 { background: oklch(56% 0.22 25 / 0.04); }
.ahm-tech.heat-2 { background: oklch(56% 0.22 25 / 0.10); }
.ahm-tech.heat-3 { background: oklch(56% 0.22 25 / 0.18); }
.ahm-tech.heat-4 { background: oklch(56% 0.22 25 / 0.28); }
.ahm-tech.heat-5 { background: oklch(56% 0.22 25 / 0.40); }

.ahm-tech-name {
    font: 500 13px/1.3 var(--sans);
    color: var(--ink);
    letter-spacing: -0.005em;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.ahm-tech-id {
    display: block;
    font: 500 10.5px/1 var(--mono);
    color: var(--ink-3);
    letter-spacing: 0.04em;
    margin-top: 3px;
}

.ahm-tech-count {
    font: 600 13px/1 var(--sans);
    color: var(--ink);
    font-variant-numeric: tabular-nums;
    text-align: right;
    min-width: 32px;
}
.ahm-tech-count-label {
    display: block;
    font: 500 9.5px/1 var(--mono);
    color: var(--ink-3);
    letter-spacing: 0.04em;
    margin-top: 3px;
}

/* Drill-down panel — appears below a row when its technique is clicked. */
.ahm-tech-detail {
    grid-column: 1 / -1;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
}
.ahm-tech-detail .ahm-actor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 6px;
}
.ahm-tech-detail .ahm-actor-chip {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font: 500 11.5px/1.4 var(--sans);
    color: var(--ink-2);
    background: var(--surface);
    border: 1px solid var(--line);
    text-decoration: none;
    transition: border-color 120ms, color 120ms;
}
.ahm-tech-detail .ahm-actor-chip:hover {
    color: var(--ink);
    border-color: var(--line-2);
}
.ahm-tech-detail .ahm-meta {
    font: 500 11px/1.4 var(--mono);
    color: var(--ink-3);
}
.ahm-tech-detail .ahm-meta a {
    color: var(--ink-3);
    text-decoration: underline;
    text-decoration-color: var(--line-2);
}
.ahm-tech-detail .ahm-meta a:hover { color: var(--accent); }

/* Empty tactic */
.ahm-tactic-empty {
    padding: 18px 14px;
    color: var(--ink-3);
    font-size: 12.5px;
    text-align: center;
}